| Daugavpils to Olympia Heights (Florida) | 5,370.31 mi (8,642.67 km) |
| Daugavpils to Omaha (Nebraska) | 4,933.82 mi (7,940.21 km) |
| Daugavpils to On Top of the World Designated Place (Florida) | 5,240.45 mi (8,433.70 km) |
| Daugavpils to Onalaska (Wisconsin) | 4,650.96 mi (7,484.99 km) |
| Daugavpils to Oneida (New York) | 4,241.84 mi (6,826.58 km) |
| Daugavpils to Oneonta (New York) | 4,256.52 mi (6,850.20 km) |
| Daugavpils to Ontario (California) | 5,875.09 mi (9,455.05 km) |
| Daugavpils to Ontario (Oregon) | 5,213.95 mi (8,391.04 km) |
| Daugavpils to Opa-locka (Florida) | 5,357.30 mi (8,621.75 km) |
| Daugavpils to Opelika (Alabama) | 5,134.08 mi (8,262.50 km) |
| Daugavpils to Opelousas (Louisiana) | 5,465.64 mi (8,796.09 km) |
| Daugavpils to Orange (California) | 5,894.52 mi (9,486.32 km) |
| Daugavpils to Orange (Texas) | 5,539.51 mi (8,914.98 km) |
| Daugavpils to Orange City (Florida) | 5,217.17 mi (8,396.22 km) |
| Daugavpils to Orangeburg (South Carolina) | 4,941.91 mi (7,953.23 km) |
