| Morris to Opole | 4,687.04 mi (7,543.07 km) |
| Morris to Orzesze | 4,737.48 mi (7,624.24 km) |
| Morris to Osowa | 4,542.89 mi (7,311.07 km) |
| Morris to Ostroda | 4,621.64 mi (7,437.81 km) |
| Morris to Ostroleka | 4,700.29 mi (7,564.39 km) |
| Morris to Ostrow Mazowiecka | 4,722.83 mi (7,600.66 km) |
| Morris to Ostrow Wielkopolski | 4,640.57 mi (7,468.27 km) |
| Morris to Ostrowiec Swietokrzyski | 4,791.18 mi (7,710.65 km) |
| Morris to Ostrzeszow | 4,654.54 mi (7,490.75 km) |
| Morris to Oswiecim | 4,758.49 mi (7,658.05 km) |
| Morris to Otwock | 4,733.40 mi (7,617.67 km) |
| Morris to Ozarow Mazowiecki | 4,713.86 mi (7,586.23 km) |
| Morris to Ozimek | 4,696.28 mi (7,557.93 km) |
| Morris to Ozorkow | 4,675.48 mi (7,524.47 km) |
| Morris to Pabianice | 4,692.69 mi (7,552.16 km) |
