| Trento to Oerlinghausen | 422.43 mi (679.84 km) |
| Trento to Oestrich-Winkel | 307.49 mi (494.86 km) |
| Trento to Offenburg | 223.06 mi (358.99 km) |
| Trento to Oftersheim | 256.80 mi (413.27 km) |
| Trento to Ohrdruf | 329.45 mi (530.20 km) |
| Trento to Ohringen | 229.19 mi (368.84 km) |
| Trento to Olbernhau | 333.68 mi (537.00 km) |
| Trento to Olching | 147.70 mi (237.69 km) |
| Trento to Oldenburg | 505.86 mi (814.10 km) |
| Trento to Oldenburg in Holstein | 568.96 mi (915.65 km) |
| Trento to Olfen | 425.49 mi (684.75 km) |
| Trento to Olpe | 373.44 mi (601.00 km) |
| Trento to Olsberg | 384.21 mi (618.33 km) |
| Trento to Oranienburg | 471.75 mi (759.20 km) |
| Trento to Ortenberg | 311.14 mi (500.74 km) |
