| Inverness to Olympia Heights (Florida) | 4,226.45 mi (6,801.81 km) |
| Inverness to Omaha (Nebraska) | 3,945.12 mi (6,349.06 km) |
| Inverness to On Top of the World Designated Place (Florida) | 4,112.09 mi (6,617.77 km) |
| Inverness to Onalaska (Wisconsin) | 3,646.46 mi (5,868.40 km) |
| Inverness to Oneida (New York) | 3,143.86 mi (5,059.55 km) |
| Inverness to Oneonta (New York) | 3,152.48 mi (5,073.42 km) |
| Inverness to Ontario (California) | 5,032.18 mi (8,098.51 km) |
| Inverness to Ontario (Oregon) | 4,430.21 mi (7,129.73 km) |
| Inverness to Opa-locka (Florida) | 4,213.60 mi (6,781.13 km) |
| Inverness to Opelika (Alabama) | 4,031.93 mi (6,488.76 km) |
| Inverness to Opelousas (Louisiana) | 4,390.13 mi (7,065.23 km) |
| Inverness to Orange (California) | 5,052.49 mi (8,131.20 km) |
| Inverness to Orange (Texas) | 4,472.26 mi (7,197.40 km) |
| Inverness to Orange City (Florida) | 4,084.62 mi (6,573.56 km) |
| Inverness to Orangeburg (South Carolina) | 3,822.79 mi (6,152.19 km) |
