| Giresun to Nyon | 1,639.27 mi (2,638.14 km) |
| Giresun to Oberriet | 1,486.81 mi (2,392.78 km) |
| Giresun to Obersiggenthal | 1,547.33 mi (2,490.19 km) |
| Giresun to Oberwil | 1,581.77 mi (2,545.62 km) |
| Giresun to Oberwingert | 1,525.43 mi (2,454.94 km) |
| Giresun to Oftringen | 1,563.67 mi (2,516.48 km) |
| Giresun to Olten | 1,564.66 mi (2,518.07 km) |
| Giresun to Onex | 1,645.31 mi (2,647.86 km) |
| Giresun to Opfikon | 1,534.19 mi (2,469.04 km) |
| Giresun to Ostermundigen | 1,581.70 mi (2,545.50 km) |
| Giresun to Payerne | 1,607.31 mi (2,586.72 km) |
| Giresun to Pfaffikon | 1,523.63 mi (2,452.05 km) |
| Giresun to Plan-les-Ouates | 1,644.49 mi (2,646.55 km) |
| Giresun to Pratteln | 1,575.04 mi (2,534.78 km) |
| Giresun to Prilly | 1,622.17 mi (2,610.63 km) |
