| Sciacca to Oegstgeest | 1,096.50 mi (1,764.64 km) |
| Sciacca to Oirschot | 1,038.65 mi (1,671.54 km) |
| Sciacca to Oisterwijk | 1,045.67 mi (1,682.84 km) |
| Sciacca to Oldebroek | 1,089.14 mi (1,752.80 km) |
| Sciacca to Oldenzaal | 1,065.55 mi (1,714.83 km) |
| Sciacca to Ommen | 1,085.78 mi (1,747.39 km) |
| Sciacca to Oosterend | 1,122.40 mi (1,806.33 km) |
| Sciacca to Oosterhout | 1,055.65 mi (1,698.91 km) |
| Sciacca to Oosterwolde | 1,118.34 mi (1,799.80 km) |
| Sciacca to Oostzaan | 1,104.71 mi (1,777.85 km) |
| Sciacca to Opmeer | 1,120.40 mi (1,803.11 km) |
| Sciacca to Oss | 1,051.71 mi (1,692.56 km) |
| Sciacca to Oud-Beijerland | 1,075.01 mi (1,730.07 km) |
| Sciacca to Oudenbosch | 1,058.58 mi (1,703.62 km) |
| Sciacca to Oudewater | 1,078.83 mi (1,736.20 km) |
