| Halfeti to Octeville | 2,128.17 mi (3,424.96 km) |
| Halfeti to Oignies | 1,938.24 mi (3,119.29 km) |
| Halfeti to Oissel | 2,003.87 mi (3,224.92 km) |
| Halfeti to Olivet | 1,950.26 mi (3,138.64 km) |
| Halfeti to Ollioules | 1,726.86 mi (2,779.12 km) |
| Halfeti to Olonne-sur-Mer | 2,112.29 mi (3,399.40 km) |
| Halfeti to Oloron-Sainte-Marie | 2,052.03 mi (3,302.42 km) |
| Halfeti to Onet Village | 1,893.07 mi (3,046.60 km) |
| Halfeti to Onnaing | 1,911.08 mi (3,075.58 km) |
| Halfeti to Orange | 1,782.67 mi (2,868.92 km) |
| Halfeti to Orchies | 1,927.68 mi (3,102.30 km) |
| Halfeti to Orleans | 1,950.28 mi (3,138.67 km) |
| Halfeti to Orly | 1,938.28 mi (3,119.35 km) |
| Halfeti to Ormesson-sur-Marne | 1,932.32 mi (3,109.77 km) |
| Halfeti to Orsay | 1,946.89 mi (3,133.21 km) |
