| Donaueschingen to Oegstgeest | 342.62 mi (551.40 km) |
| Donaueschingen to Oirschot | 283.71 mi (456.59 km) |
| Donaueschingen to Oisterwijk | 290.86 mi (468.10 km) |
| Donaueschingen to Oldebroek | 331.29 mi (533.17 km) |
| Donaueschingen to Oldenzaal | 309.39 mi (497.91 km) |
| Donaueschingen to Ommen | 328.49 mi (528.65 km) |
| Donaueschingen to Oosterend | 364.98 mi (587.38 km) |
| Donaueschingen to Oosterhout | 302.32 mi (486.53 km) |
| Donaueschingen to Oosterwolde | 361.33 mi (581.50 km) |
| Donaueschingen to Oostzaan | 348.41 mi (560.71 km) |
| Donaueschingen to Opmeer | 363.40 mi (584.83 km) |
| Donaueschingen to Oss | 295.11 mi (474.93 km) |
| Donaueschingen to Oud-Beijerland | 323.35 mi (520.39 km) |
| Donaueschingen to Oudenbosch | 307.55 mi (494.95 km) |
| Donaueschingen to Oudewater | 323.84 mi (521.16 km) |
