| Cannock to Olivares | 1,073.91 mi (1,728.30 km) |
| Cannock to Olivenza | 997.54 mi (1,605.38 km) |
| Cannock to Olot | 755.75 mi (1,216.27 km) |
| Cannock to Onate | 667.52 mi (1,074.28 km) |
| Cannock to Onda | 883.40 mi (1,421.69 km) |
| Cannock to Onteniente | 960.63 mi (1,545.99 km) |
| Cannock to Orihuela | 1,010.47 mi (1,626.19 km) |
| Cannock to Osuna | 1,078.28 mi (1,735.33 km) |
| Cannock to Ourense | 764.90 mi (1,230.98 km) |
| Cannock to Oviedo | 668.17 mi (1,075.31 km) |
| Cannock to Paiporta | 919.58 mi (1,479.92 km) |
| Cannock to Pajara | 1,791.76 mi (2,883.55 km) |
| Cannock to Palafolls | 793.45 mi (1,276.93 km) |
| Cannock to Palafrugell | 782.58 mi (1,259.44 km) |
| Cannock to Palamos | 786.84 mi (1,266.30 km) |
