| Igdir to Nuth | 1,973.42 mi (3,175.91 km) |
| Igdir to Oegstgeest | 2,046.01 mi (3,292.74 km) |
| Igdir to Oirschot | 2,003.96 mi (3,225.06 km) |
| Igdir to Oisterwijk | 2,009.03 mi (3,233.23 km) |
| Igdir to Oldebroek | 1,989.34 mi (3,201.53 km) |
| Igdir to Oldenzaal | 1,944.81 mi (3,129.87 km) |
| Igdir to Ommen | 1,968.84 mi (3,168.54 km) |
| Igdir to Oosterend | 1,989.80 mi (3,202.27 km) |
| Igdir to Oosterhout | 2,024.19 mi (3,257.62 km) |
| Igdir to Oosterwolde | 1,980.45 mi (3,187.23 km) |
| Igdir to Oostzaan | 2,031.32 mi (3,269.10 km) |
| Igdir to Opmeer | 2,031.65 mi (3,269.63 km) |
| Igdir to Oss | 1,997.49 mi (3,214.64 km) |
| Igdir to Oud-Beijerland | 2,045.21 mi (3,291.44 km) |
| Igdir to Oudenbosch | 2,037.84 mi (3,279.59 km) |
