| Unye to Nuth | 1,635.01 mi (2,631.29 km) |
| Unye to Oegstgeest | 1,713.67 mi (2,757.89 km) |
| Unye to Oirschot | 1,668.35 mi (2,684.95 km) |
| Unye to Oisterwijk | 1,673.82 mi (2,693.75 km) |
| Unye to Oldebroek | 1,659.63 mi (2,670.91 km) |
| Unye to Oldenzaal | 1,615.20 mi (2,599.41 km) |
| Unye to Ommen | 1,639.98 mi (2,639.29 km) |
| Unye to Oosterend | 1,663.62 mi (2,677.33 km) |
| Unye to Oosterhout | 1,689.09 mi (2,718.32 km) |
| Unye to Oosterwolde | 1,654.40 mi (2,662.50 km) |
| Unye to Oostzaan | 1,700.71 mi (2,737.03 km) |
| Unye to Opmeer | 1,702.65 mi (2,740.16 km) |
| Unye to Oss | 1,663.51 mi (2,677.16 km) |
| Unye to Oud-Beijerland | 1,710.78 mi (2,753.23 km) |
| Unye to Oudenbosch | 1,702.24 mi (2,739.50 km) |
