| Grajewo to Orbetello | 929.99 mi (1,496.68 km) |
| Grajewo to Oria | 935.87 mi (1,506.14 km) |
| Grajewo to Oristano | 1,149.60 mi (1,850.11 km) |
| Grajewo to Orta Nova | 906.46 mi (1,458.80 km) |
| Grajewo to Orte | 900.11 mi (1,448.59 km) |
| Grajewo to Ortona | 863.62 mi (1,389.87 km) |
| Grajewo to Orvieto | 890.93 mi (1,433.81 km) |
| Grajewo to Orzinuovi | 797.84 mi (1,283.99 km) |
| Grajewo to Osimo | 811.90 mi (1,306.63 km) |
| Grajewo to Ospitaletto | 785.26 mi (1,263.75 km) |
| Grajewo to Ostuni | 920.69 mi (1,481.72 km) |
| Grajewo to Ottaviano | 958.76 mi (1,542.97 km) |
| Grajewo to Ovada | 878.49 mi (1,413.80 km) |
| Grajewo to Ozieri | 1,098.11 mi (1,767.24 km) |
| Grajewo to Paceco | 1,180.16 mi (1,899.28 km) |
