| Zafferana Etnea to Oegstgeest | 1,126.08 mi (1,812.25 km) |
| Zafferana Etnea to Oirschot | 1,067.31 mi (1,717.66 km) |
| Zafferana Etnea to Oisterwijk | 1,074.45 mi (1,729.15 km) |
| Zafferana Etnea to Oldebroek | 1,112.57 mi (1,790.51 km) |
| Zafferana Etnea to Oldenzaal | 1,085.29 mi (1,746.60 km) |
| Zafferana Etnea to Ommen | 1,107.03 mi (1,781.60 km) |
| Zafferana Etnea to Oosterend | 1,143.70 mi (1,840.60 km) |
| Zafferana Etnea to Oosterhout | 1,085.55 mi (1,747.03 km) |
| Zafferana Etnea to Oosterwolde | 1,138.83 mi (1,832.77 km) |
| Zafferana Etnea to Oostzaan | 1,131.99 mi (1,821.76 km) |
| Zafferana Etnea to Opmeer | 1,146.64 mi (1,845.34 km) |
| Zafferana Etnea to Oss | 1,078.66 mi (1,735.94 km) |
| Zafferana Etnea to Oud-Beijerland | 1,106.04 mi (1,780.00 km) |
| Zafferana Etnea to Oudenbosch | 1,089.92 mi (1,754.05 km) |
| Zafferana Etnea to Oudewater | 1,107.47 mi (1,782.30 km) |
