| Dassel to Olympia Heights (Florida) | 4,841.57 mi (7,791.76 km) |
| Dassel to Omaha (Nebraska) | 4,622.98 mi (7,439.97 km) |
| Dassel to On Top of the World Designated Place (Florida) | 4,745.06 mi (7,636.44 km) |
| Dassel to Onalaska (Wisconsin) | 4,323.59 mi (6,958.14 km) |
| Dassel to Oneida (New York) | 3,801.25 mi (6,117.52 km) |
| Dassel to Oneonta (New York) | 3,806.88 mi (6,126.59 km) |
| Dassel to Ontario (California) | 5,704.61 mi (9,180.68 km) |
| Dassel to Ontario (Oregon) | 5,092.14 mi (8,195.00 km) |
| Dassel to Opa-locka (Florida) | 4,829.01 mi (7,771.54 km) |
| Dassel to Opelika (Alabama) | 4,683.24 mi (7,536.94 km) |
| Dassel to Opelousas (Louisiana) | 5,051.57 mi (8,129.72 km) |
| Dassel to Orange (California) | 5,724.86 mi (9,213.27 km) |
| Dassel to Orange (Texas) | 5,136.15 mi (8,265.84 km) |
| Dassel to Orange City (Florida) | 4,713.80 mi (7,586.12 km) |
| Dassel to Orangeburg (South Carolina) | 4,464.62 mi (7,185.10 km) |
