| Ridgecrest to Oerlinghausen | 5,573.49 mi (8,969.67 km) |
| Ridgecrest to Oestrich-Winkel | 5,655.64 mi (9,101.88 km) |
| Ridgecrest to Offenburg | 5,732.62 mi (9,225.76 km) |
| Ridgecrest to Oftersheim | 5,705.52 mi (9,182.14 km) |
| Ridgecrest to Ohrdruf | 5,691.23 mi (9,159.15 km) |
| Ridgecrest to Ohringen | 5,741.50 mi (9,240.05 km) |
| Ridgecrest to Olbernhau | 5,771.52 mi (9,288.37 km) |
| Ridgecrest to Olching | 5,847.69 mi (9,410.95 km) |
| Ridgecrest to Oldenburg | 5,500.18 mi (8,851.69 km) |
| Ridgecrest to Oldenburg in Holstein | 5,511.83 mi (8,870.43 km) |
| Ridgecrest to Olfen | 5,549.65 mi (8,931.31 km) |
| Ridgecrest to Olpe | 5,598.50 mi (9,009.92 km) |
| Ridgecrest to Olsberg | 5,600.13 mi (9,012.54 km) |
| Ridgecrest to Oranienburg | 5,655.68 mi (9,101.93 km) |
| Ridgecrest to Ortenberg | 5,668.17 mi (9,122.03 km) |
