| Silves to Nuth | 1,181.19 mi (1,900.94 km) |
| Silves to Oegstgeest | 1,210.63 mi (1,948.32 km) |
| Silves to Oirschot | 1,195.20 mi (1,923.49 km) |
| Silves to Oisterwijk | 1,196.93 mi (1,926.27 km) |
| Silves to Oldebroek | 1,262.18 mi (2,031.29 km) |
| Silves to Oldenzaal | 1,283.33 mi (2,065.31 km) |
| Silves to Ommen | 1,279.57 mi (2,059.27 km) |
| Silves to Oosterend | 1,296.40 mi (2,086.35 km) |
| Silves to Oosterhout | 1,190.96 mi (1,916.66 km) |
| Silves to Oosterwolde | 1,301.52 mi (2,094.59 km) |
| Silves to Oostzaan | 1,234.98 mi (1,987.51 km) |
| Silves to Opmeer | 1,251.45 mi (2,014.02 km) |
| Silves to Oss | 1,215.33 mi (1,955.88 km) |
| Silves to Oud-Beijerland | 1,188.58 mi (1,912.84 km) |
| Silves to Oudenbosch | 1,179.25 mi (1,897.82 km) |
