| Komotini to Oerlinghausen | 1,089.47 mi (1,753.33 km) |
| Komotini to Oestrich-Winkel | 1,039.05 mi (1,672.19 km) |
| Komotini to Offenburg | 993.66 mi (1,599.14 km) |
| Komotini to Oftersheim | 995.03 mi (1,601.35 km) |
| Komotini to Ohrdruf | 970.92 mi (1,562.54 km) |
| Komotini to Ohringen | 953.29 mi (1,534.18 km) |
| Komotini to Olbernhau | 877.92 mi (1,412.88 km) |
| Komotini to Olching | 846.98 mi (1,363.09 km) |
| Komotini to Oldenburg | 1,154.61 mi (1,858.17 km) |
| Komotini to Oldenburg in Holstein | 1,130.41 mi (1,819.21 km) |
| Komotini to Olfen | 1,124.22 mi (1,809.25 km) |
| Komotini to Olpe | 1,081.57 mi (1,740.61 km) |
| Komotini to Olsberg | 1,070.87 mi (1,723.41 km) |
| Komotini to Oranienburg | 986.40 mi (1,587.46 km) |
| Komotini to Ortenberg | 1,011.88 mi (1,628.47 km) |
