| Ketrzyn to Orbetello | 928.54 mi (1,494.35 km) |
| Ketrzyn to Oria | 954.48 mi (1,536.09 km) |
| Ketrzyn to Oristano | 1,146.24 mi (1,844.70 km) |
| Ketrzyn to Orta Nova | 918.99 mi (1,478.97 km) |
| Ketrzyn to Orte | 901.73 mi (1,451.20 km) |
| Ketrzyn to Ortona | 871.08 mi (1,401.88 km) |
| Ketrzyn to Orvieto | 891.33 mi (1,434.46 km) |
| Ketrzyn to Orzinuovi | 786.27 mi (1,265.38 km) |
| Ketrzyn to Osimo | 814.75 mi (1,311.21 km) |
| Ketrzyn to Ospitaletto | 773.61 mi (1,245.00 km) |
| Ketrzyn to Ostuni | 939.00 mi (1,511.18 km) |
| Ketrzyn to Ottaviano | 968.43 mi (1,558.54 km) |
| Ketrzyn to Ovada | 865.87 mi (1,393.49 km) |
| Ketrzyn to Ozieri | 1,094.59 mi (1,761.57 km) |
| Ketrzyn to Paceco | 1,188.18 mi (1,912.19 km) |
