| Swallownest to Nuth | 349.04 mi (561.72 km) |
| Swallownest to Oegstgeest | 255.35 mi (410.94 km) |
| Swallownest to Oirschot | 307.17 mi (494.35 km) |
| Swallownest to Oisterwijk | 300.73 mi (483.98 km) |
| Swallownest to Oldebroek | 307.47 mi (494.82 km) |
| Swallownest to Oldenzaal | 351.95 mi (566.40 km) |
| Swallownest to Ommen | 327.45 mi (526.97 km) |
| Swallownest to Oosterend | 306.91 mi (493.92 km) |
| Swallownest to Oosterhout | 285.73 mi (459.84 km) |
| Swallownest to Oosterwolde | 316.30 mi (509.04 km) |
| Swallownest to Oostzaan | 266.51 mi (428.91 km) |
| Swallownest to Opmeer | 264.63 mi (425.89 km) |
| Swallownest to Oss | 307.62 mi (495.07 km) |
| Swallownest to Oud-Beijerland | 262.88 mi (423.06 km) |
| Swallownest to Oudenbosch | 274.84 mi (442.31 km) |
