| Tustin to Oerlinghausen | 5,691.29 mi (9,159.24 km) |
| Tustin to Oestrich-Winkel | 5,771.71 mi (9,288.67 km) |
| Tustin to Offenburg | 5,847.51 mi (9,410.66 km) |
| Tustin to Oftersheim | 5,821.43 mi (9,368.68 km) |
| Tustin to Ohrdruf | 5,809.25 mi (9,349.08 km) |
| Tustin to Ohringen | 5,857.77 mi (9,427.17 km) |
| Tustin to Olbernhau | 5,890.71 mi (9,480.18 km) |
| Tustin to Olching | 5,964.25 mi (9,598.53 km) |
| Tustin to Oldenburg | 5,618.58 mi (9,042.23 km) |
| Tustin to Oldenburg in Holstein | 5,632.13 mi (9,064.03 km) |
| Tustin to Olfen | 5,666.66 mi (9,119.61 km) |
| Tustin to Olpe | 5,715.23 mi (9,197.77 km) |
| Tustin to Olsberg | 5,717.41 mi (9,201.28 km) |
| Tustin to Oranienburg | 5,776.06 mi (9,295.67 km) |
| Tustin to Ortenberg | 5,785.03 mi (9,310.10 km) |
