| Gherla to Octeville | 1,181.36 mi (1,901.22 km) |
| Gherla to Oignies | 978.29 mi (1,574.40 km) |
| Gherla to Oissel | 1,058.80 mi (1,703.97 km) |
| Gherla to Olivet | 1,026.21 mi (1,651.52 km) |
| Gherla to Ollioules | 918.28 mi (1,477.84 km) |
| Gherla to Olonne-sur-Mer | 1,209.76 mi (1,946.93 km) |
| Gherla to Oloron-Sainte-Marie | 1,218.58 mi (1,961.11 km) |
| Gherla to Onet Village | 1,041.14 mi (1,675.55 km) |
| Gherla to Onnaing | 951.23 mi (1,530.86 km) |
| Gherla to Orange | 941.90 mi (1,515.84 km) |
| Gherla to Orchies | 967.37 mi (1,556.83 km) |
| Gherla to Orleans | 1,025.59 mi (1,650.54 km) |
| Gherla to Orly | 1,000.31 mi (1,609.84 km) |
| Gherla to Ormesson-sur-Marne | 993.62 mi (1,599.08 km) |
| Gherla to Orsay | 1,009.74 mi (1,625.02 km) |
