| Ostringen to Olympia Heights (Florida) | 4,851.69 mi (7,808.04 km) |
| Ostringen to Omaha (Nebraska) | 4,699.76 mi (7,563.53 km) |
| Ostringen to On Top of the World Designated Place (Florida) | 4,767.33 mi (7,672.27 km) |
| Ostringen to Onalaska (Wisconsin) | 4,397.74 mi (7,077.49 km) |
| Ostringen to Oneida (New York) | 3,846.50 mi (6,190.34 km) |
| Ostringen to Oneonta (New York) | 3,849.27 mi (6,194.80 km) |
| Ostringen to Ontario (California) | 5,808.71 mi (9,348.22 km) |
| Ostringen to Ontario (Oregon) | 5,208.75 mi (8,382.68 km) |
| Ostringen to Opa-locka (Florida) | 4,839.34 mi (7,788.16 km) |
| Ostringen to Opelika (Alabama) | 4,720.34 mi (7,596.65 km) |
| Ostringen to Opelousas (Louisiana) | 5,098.03 mi (8,204.48 km) |
| Ostringen to Orange (California) | 5,829.05 mi (9,380.95 km) |
| Ostringen to Orange (Texas) | 5,185.33 mi (8,344.98 km) |
| Ostringen to Orange City (Florida) | 4,733.48 mi (7,617.80 km) |
| Ostringen to Orangeburg (South Carolina) | 4,494.34 mi (7,232.94 km) |
