| Nea Smyrni to Oegstgeest | 1,351.71 mi (2,175.37 km) |
| Nea Smyrni to Oirschot | 1,294.33 mi (2,083.03 km) |
| Nea Smyrni to Oisterwijk | 1,301.30 mi (2,094.24 km) |
| Nea Smyrni to Oldebroek | 1,317.87 mi (2,120.90 km) |
| Nea Smyrni to Oldenzaal | 1,279.84 mi (2,059.70 km) |
| Nea Smyrni to Ommen | 1,305.11 mi (2,100.37 km) |
| Nea Smyrni to Oosterend | 1,338.95 mi (2,154.83 km) |
| Nea Smyrni to Oosterhout | 1,315.35 mi (2,116.86 km) |
| Nea Smyrni to Oosterwolde | 1,331.59 mi (2,142.99 km) |
| Nea Smyrni to Oostzaan | 1,349.22 mi (2,171.36 km) |
| Nea Smyrni to Opmeer | 1,359.13 mi (2,187.30 km) |
| Nea Smyrni to Oss | 1,298.93 mi (2,090.43 km) |
| Nea Smyrni to Oud-Beijerland | 1,338.13 mi (2,153.51 km) |
| Nea Smyrni to Oudenbosch | 1,324.27 mi (2,131.21 km) |
| Nea Smyrni to Oudewater | 1,331.28 mi (2,142.50 km) |
