| Barton upon Irwell to Olympia Heights (Florida) | 4,324.05 mi (6,958.89 km) |
| Barton upon Irwell to Omaha (Nebraska) | 4,140.23 mi (6,663.05 km) |
| Barton upon Irwell to On Top of the World Designated Place (Florida) | 4,228.09 mi (6,804.45 km) |
| Barton upon Irwell to Onalaska (Wisconsin) | 3,837.92 mi (6,176.53 km) |
| Barton upon Irwell to Oneida (New York) | 3,291.78 mi (5,297.60 km) |
| Barton upon Irwell to Oneonta (New York) | 3,295.94 mi (5,304.30 km) |
| Barton upon Irwell to Ontario (California) | 5,261.05 mi (8,466.84 km) |
| Barton upon Irwell to Ontario (Oregon) | 4,674.24 mi (7,522.47 km) |
| Barton upon Irwell to Opa-locka (Florida) | 4,311.48 mi (6,938.65 km) |
| Barton upon Irwell to Opelika (Alabama) | 4,170.24 mi (6,711.36 km) |
| Barton upon Irwell to Opelousas (Louisiana) | 4,543.15 mi (7,311.50 km) |
| Barton upon Irwell to Orange (California) | 5,281.43 mi (8,499.65 km) |
| Barton upon Irwell to Orange (Texas) | 4,629.35 mi (7,450.22 km) |
| Barton upon Irwell to Orange City (Florida) | 4,196.50 mi (6,753.61 km) |
| Barton upon Irwell to Orangeburg (South Carolina) | 3,949.11 mi (6,355.49 km) |
