| Kalamata to Oegstgeest | 1,352.06 mi (2,175.94 km) |
| Kalamata to Oirschot | 1,293.70 mi (2,082.01 km) |
| Kalamata to Oisterwijk | 1,300.79 mi (2,093.42 km) |
| Kalamata to Oldebroek | 1,322.74 mi (2,128.74 km) |
| Kalamata to Oldenzaal | 1,286.81 mi (2,070.92 km) |
| Kalamata to Ommen | 1,311.55 mi (2,110.74 km) |
| Kalamata to Oosterend | 1,346.45 mi (2,166.91 km) |
| Kalamata to Oosterhout | 1,314.29 mi (2,115.14 km) |
| Kalamata to Oosterwolde | 1,339.60 mi (2,155.88 km) |
| Kalamata to Oostzaan | 1,351.58 mi (2,175.16 km) |
| Kalamata to Opmeer | 1,362.74 mi (2,193.12 km) |
| Kalamata to Oss | 1,299.99 mi (2,092.14 km) |
| Kalamata to Oud-Beijerland | 1,336.76 mi (2,151.30 km) |
| Kalamata to Oudenbosch | 1,322.19 mi (2,127.86 km) |
| Kalamata to Oudewater | 1,331.85 mi (2,143.41 km) |
