| Neu Isenburg to Oegstgeest | 235.39 mi (378.82 km) |
| Neu Isenburg to Oirschot | 179.15 mi (288.32 km) |
| Neu Isenburg to Oisterwijk | 185.89 mi (299.16 km) |
| Neu Isenburg to Oldebroek | 205.30 mi (330.39 km) |
| Neu Isenburg to Oldenzaal | 174.29 mi (280.50 km) |
| Neu Isenburg to Ommen | 196.91 mi (316.90 km) |
| Neu Isenburg to Oosterend | 233.33 mi (375.51 km) |
| Neu Isenburg to Oosterhout | 200.52 mi (322.71 km) |
| Neu Isenburg to Oosterwolde | 227.99 mi (366.92 km) |
| Neu Isenburg to Oostzaan | 233.12 mi (375.16 km) |
| Neu Isenburg to Opmeer | 244.23 mi (393.06 km) |
| Neu Isenburg to Oss | 182.46 mi (293.65 km) |
| Neu Isenburg to Oud-Beijerland | 223.46 mi (359.62 km) |
| Neu Isenburg to Oudenbosch | 211.00 mi (339.57 km) |
| Neu Isenburg to Oudewater | 214.91 mi (345.86 km) |
