| Trelaze to Oestrich-Winkel | 424.01 mi (682.38 km) |
| Trelaze to Offenburg | 394.80 mi (635.37 km) |
| Trelaze to Oftersheim | 435.59 mi (701.01 km) |
| Trelaze to Ohrdruf | 556.83 mi (896.13 km) |
| Trelaze to Ohringen | 473.25 mi (761.62 km) |
| Trelaze to Olbernhau | 662.06 mi (1,065.49 km) |
| Trelaze to Olching | 548.56 mi (882.82 km) |
| Trelaze to Oldenburg | 548.61 mi (882.89 km) |
| Trelaze to Oldenburg in Holstein | 683.40 mi (1,099.83 km) |
| Trelaze to Olfen | 458.60 mi (738.05 km) |
| Trelaze to Olpe | 448.02 mi (721.02 km) |
| Trelaze to Olsberg | 483.94 mi (778.83 km) |
| Trelaze to Oranienburg | 707.77 mi (1,139.04 km) |
| Trelaze to Ortenberg | 476.45 mi (766.77 km) |
| Trelaze to Oschatz | 664.91 mi (1,070.06 km) |
