| Morris to Octeville | 4,003.27 mi (6,442.64 km) |
| Morris to Oignies | 4,155.03 mi (6,686.87 km) |
| Morris to Oissel | 4,120.37 mi (6,631.09 km) |
| Morris to Olivet | 4,203.66 mi (6,765.13 km) |
| Morris to Ollioules | 4,541.12 mi (7,308.23 km) |
| Morris to Olonne-sur-Mer | 4,100.46 mi (6,599.05 km) |
| Morris to Oloron-Sainte-Marie | 4,267.05 mi (6,867.15 km) |
| Morris to Onet Village | 4,359.08 mi (7,015.25 km) |
| Morris to Onnaing | 4,180.84 mi (6,728.41 km) |
| Morris to Orange | 4,459.35 mi (7,176.63 km) |
| Morris to Orchies | 4,164.36 mi (6,701.90 km) |
| Morris to Orleans | 4,202.63 mi (6,763.47 km) |
| Morris to Orly | 4,192.08 mi (6,746.50 km) |
| Morris to Ormesson-sur-Marne | 4,196.30 mi (6,753.30 km) |
| Morris to Orsay | 4,185.63 mi (6,736.12 km) |
