| Trossingen to Oegstgeest | 338.48 mi (544.73 km) |
| Trossingen to Oirschot | 279.45 mi (449.72 km) |
| Trossingen to Oisterwijk | 286.62 mi (461.26 km) |
| Trossingen to Oldebroek | 325.45 mi (523.76 km) |
| Trossingen to Oldenzaal | 302.53 mi (486.88 km) |
| Trossingen to Ommen | 322.07 mi (518.32 km) |
| Trossingen to Oosterend | 358.64 mi (577.18 km) |
| Trossingen to Oosterhout | 298.40 mi (480.22 km) |
| Trossingen to Oosterwolde | 354.79 mi (570.98 km) |
| Trossingen to Oostzaan | 343.60 mi (552.97 km) |
| Trossingen to Opmeer | 358.30 mi (576.62 km) |
| Trossingen to Oss | 290.27 mi (467.15 km) |
| Trossingen to Oud-Beijerland | 319.71 mi (514.52 km) |
| Trossingen to Oudenbosch | 304.07 mi (489.36 km) |
| Trossingen to Oudewater | 319.46 mi (514.13 km) |
