| Spanish Lake to Olivares | 4,393.94 mi (7,071.36 km) |
| Spanish Lake to Olivenza | 4,305.67 mi (6,929.31 km) |
| Spanish Lake to Olot | 4,617.43 mi (7,431.04 km) |
| Spanish Lake to Onate | 4,372.97 mi (7,037.62 km) |
| Spanish Lake to Onda | 4,576.58 mi (7,365.29 km) |
| Spanish Lake to Onteniente | 4,602.44 mi (7,406.91 km) |
| Spanish Lake to Orihuela | 4,613.76 mi (7,425.13 km) |
| Spanish Lake to Osuna | 4,450.14 mi (7,161.81 km) |
| Spanish Lake to Ourense | 4,151.73 mi (6,681.56 km) |
| Spanish Lake to Oviedo | 4,210.32 mi (6,775.86 km) |
| Spanish Lake to Paiporta | 4,588.99 mi (7,385.27 km) |
| Spanish Lake to Pajara | 4,316.43 mi (6,946.63 km) |
| Spanish Lake to Palafolls | 4,647.73 mi (7,479.80 km) |
| Spanish Lake to Palafrugell | 4,656.44 mi (7,493.82 km) |
| Spanish Lake to Palamos | 4,657.62 mi (7,495.72 km) |
