| Kalamata to Oerlinghausen | 1,221.55 mi (1,965.90 km) |
| Kalamata to Oestrich-Winkel | 1,137.03 mi (1,829.87 km) |
| Kalamata to Offenburg | 1,064.72 mi (1,713.50 km) |
| Kalamata to Oftersheim | 1,087.48 mi (1,750.13 km) |
| Kalamata to Ohrdruf | 1,105.45 mi (1,779.04 km) |
| Kalamata to Ohringen | 1,050.90 mi (1,691.25 km) |
| Kalamata to Olbernhau | 1,036.54 mi (1,668.16 km) |
| Kalamata to Olching | 944.58 mi (1,520.15 km) |
| Kalamata to Oldenburg | 1,297.91 mi (2,088.78 km) |
| Kalamata to Oldenburg in Holstein | 1,306.40 mi (2,102.44 km) |
| Kalamata to Olfen | 1,242.96 mi (2,000.35 km) |
| Kalamata to Olpe | 1,193.81 mi (1,921.26 km) |
| Kalamata to Olsberg | 1,193.09 mi (1,920.10 km) |
| Kalamata to Oranienburg | 1,167.45 mi (1,878.83 km) |
| Kalamata to Ortenberg | 1,124.30 mi (1,809.38 km) |
