| Sundsvall to Olivares | 1,992.43 mi (3,206.51 km) |
| Sundsvall to Olivenza | 1,932.34 mi (3,109.80 km) |
| Sundsvall to Olot | 1,522.49 mi (2,450.20 km) |
| Sundsvall to Onate | 1,558.23 mi (2,507.73 km) |
| Sundsvall to Onda | 1,714.14 mi (2,758.65 km) |
| Sundsvall to Onteniente | 1,794.57 mi (2,888.08 km) |
| Sundsvall to Orihuela | 1,848.67 mi (2,975.15 km) |
| Sundsvall to Osuna | 1,982.53 mi (3,190.57 km) |
| Sundsvall to Ourense | 1,723.00 mi (2,772.91 km) |
| Sundsvall to Oviedo | 1,612.93 mi (2,595.75 km) |
| Sundsvall to Paiporta | 1,751.72 mi (2,819.12 km) |
| Sundsvall to Pajara | 2,746.87 mi (4,420.66 km) |
| Sundsvall to Palafolls | 1,552.00 mi (2,497.71 km) |
| Sundsvall to Palafrugell | 1,529.23 mi (2,461.05 km) |
| Sundsvall to Palamos | 1,534.47 mi (2,469.49 km) |
