| Trowbridge to Oerlinghausen | 467.96 mi (753.11 km) |
| Trowbridge to Oestrich-Winkel | 455.91 mi (733.72 km) |
| Trowbridge to Offenburg | 492.03 mi (791.85 km) |
| Trowbridge to Oftersheim | 494.05 mi (795.10 km) |
| Trowbridge to Ohrdruf | 562.09 mi (904.59 km) |
| Trowbridge to Ohringen | 536.84 mi (863.96 km) |
| Trowbridge to Olbernhau | 676.09 mi (1,088.07 km) |
| Trowbridge to Olching | 639.86 mi (1,029.75 km) |
| Trowbridge to Oldenburg | 458.21 mi (737.41 km) |
| Trowbridge to Oldenburg in Holstein | 583.17 mi (938.51 km) |
| Trowbridge to Olfen | 412.98 mi (664.63 km) |
| Trowbridge to Olpe | 435.19 mi (700.37 km) |
| Trowbridge to Olsberg | 461.11 mi (742.08 km) |
| Trowbridge to Oranienburg | 662.56 mi (1,066.30 km) |
| Trowbridge to Ortenberg | 495.45 mi (797.35 km) |
