| Giresun to Olivares | 2,372.39 mi (3,818.00 km) |
| Giresun to Olivenza | 2,392.35 mi (3,850.11 km) |
| Giresun to Olot | 1,844.69 mi (2,968.74 km) |
| Giresun to Onate | 2,080.51 mi (3,348.25 km) |
| Giresun to Onda | 2,017.04 mi (3,246.11 km) |
| Giresun to Onteniente | 2,055.91 mi (3,308.67 km) |
| Giresun to Orihuela | 2,088.58 mi (3,361.25 km) |
| Giresun to Osuna | 2,322.53 mi (3,737.75 km) |
| Giresun to Ourense | 2,361.07 mi (3,799.78 km) |
| Giresun to Oviedo | 2,246.02 mi (3,614.62 km) |
| Giresun to Paiporta | 2,034.58 mi (3,274.34 km) |
| Giresun to Pajara | 3,059.35 mi (4,923.54 km) |
| Giresun to Palafolls | 1,837.58 mi (2,957.30 km) |
| Giresun to Palafrugell | 1,813.66 mi (2,918.80 km) |
| Giresun to Palamos | 1,816.24 mi (2,922.95 km) |
