| Fallbrook to Oerlinghausen | 5,696.02 mi (9,166.86 km) |
| Fallbrook to Oestrich-Winkel | 5,775.23 mi (9,294.34 km) |
| Fallbrook to Offenburg | 5,850.24 mi (9,415.05 km) |
| Fallbrook to Oftersheim | 5,824.84 mi (9,374.17 km) |
| Fallbrook to Ohrdruf | 5,814.13 mi (9,356.93 km) |
| Fallbrook to Ohringen | 5,861.42 mi (9,433.05 km) |
| Fallbrook to Olbernhau | 5,896.43 mi (9,489.38 km) |
| Fallbrook to Olching | 5,968.08 mi (9,604.69 km) |
| Fallbrook to Oldenburg | 5,623.75 mi (9,050.55 km) |
| Fallbrook to Oldenburg in Holstein | 5,638.73 mi (9,074.65 km) |
| Fallbrook to Olfen | 5,670.84 mi (9,126.34 km) |
| Fallbrook to Olpe | 5,719.20 mi (9,204.17 km) |
| Fallbrook to Olsberg | 5,721.77 mi (9,208.30 km) |
| Fallbrook to Oranienburg | 5,782.71 mi (9,306.37 km) |
| Fallbrook to Ortenberg | 5,789.09 mi (9,316.64 km) |
