| Bad Krozingen to Oegstgeest | 327.76 mi (527.48 km) |
| Bad Krozingen to Oirschot | 269.77 mi (434.15 km) |
| Bad Krozingen to Oisterwijk | 276.79 mi (445.45 km) |
| Bad Krozingen to Oldebroek | 323.16 mi (520.07 km) |
| Bad Krozingen to Oldenzaal | 305.90 mi (492.29 km) |
| Bad Krozingen to Ommen | 322.84 mi (519.56 km) |
| Bad Krozingen to Oosterend | 358.71 mi (577.30 km) |
| Bad Krozingen to Oosterhout | 286.96 mi (461.83 km) |
| Bad Krozingen to Oosterwolde | 355.97 mi (572.87 km) |
| Bad Krozingen to Oostzaan | 335.97 mi (540.69 km) |
| Bad Krozingen to Opmeer | 352.00 mi (566.49 km) |
| Bad Krozingen to Oss | 283.21 mi (455.78 km) |
| Bad Krozingen to Oud-Beijerland | 306.86 mi (493.84 km) |
| Bad Krozingen to Oudenbosch | 290.60 mi (467.68 km) |
| Bad Krozingen to Oudewater | 309.95 mi (498.81 km) |
