| Morris to Orbetello | 4,789.01 mi (7,707.17 km) |
| Morris to Oria | 5,130.41 mi (8,256.60 km) |
| Morris to Oristano | 4,787.35 mi (7,704.50 km) |
| Morris to Orta Nova | 5,016.98 mi (8,074.06 km) |
| Morris to Orte | 4,835.25 mi (7,781.58 km) |
| Morris to Ortona | 4,920.04 mi (7,918.04 km) |
| Morris to Orvieto | 4,813.20 mi (7,746.10 km) |
| Morris to Orzinuovi | 4,615.20 mi (7,427.44 km) |
| Morris to Osimo | 4,834.71 mi (7,780.72 km) |
| Morris to Ospitaletto | 4,614.35 mi (7,426.07 km) |
| Morris to Ostuni | 5,117.78 mi (8,236.27 km) |
| Morris to Ottaviano | 4,989.19 mi (8,029.32 km) |
| Morris to Ovada | 4,595.13 mi (7,395.14 km) |
| Morris to Ozieri | 4,776.26 mi (7,686.64 km) |
| Morris to Paceco | 5,036.52 mi (8,105.49 km) |
