| Efringen-Kirchen to Oegstgeest | 341.79 mi (550.05 km) |
| Efringen-Kirchen to Oirschot | 284.32 mi (457.57 km) |
| Efringen-Kirchen to Oisterwijk | 291.27 mi (468.75 km) |
| Efringen-Kirchen to Oldebroek | 339.38 mi (546.18 km) |
| Efringen-Kirchen to Oldenzaal | 323.27 mi (520.25 km) |
| Efringen-Kirchen to Ommen | 339.70 mi (546.69 km) |
| Efringen-Kirchen to Oosterend | 375.36 mi (604.08 km) |
| Efringen-Kirchen to Oosterhout | 300.93 mi (484.30 km) |
| Efringen-Kirchen to Oosterwolde | 372.84 mi (600.02 km) |
| Efringen-Kirchen to Oostzaan | 350.85 mi (564.63 km) |
| Efringen-Kirchen to Opmeer | 367.19 mi (590.93 km) |
| Efringen-Kirchen to Oss | 298.41 mi (480.24 km) |
| Efringen-Kirchen to Oud-Beijerland | 320.31 mi (515.48 km) |
| Efringen-Kirchen to Oudenbosch | 303.92 mi (489.11 km) |
| Efringen-Kirchen to Oudewater | 324.38 mi (522.05 km) |
