| March to Olivares | 1,088.19 mi (1,751.28 km) |
| March to Olivenza | 1,017.80 mi (1,637.99 km) |
| March to Olot | 725.06 mi (1,166.88 km) |
| March to Onate | 667.70 mi (1,074.56 km) |
| March to Onda | 869.94 mi (1,400.03 km) |
| March to Onteniente | 949.15 mi (1,527.51 km) |
| March to Orihuela | 1,000.70 mi (1,610.47 km) |
| March to Osuna | 1,087.67 mi (1,750.44 km) |
| March to Ourense | 796.47 mi (1,281.79 km) |
| March to Oviedo | 691.26 mi (1,112.48 km) |
| March to Paiporta | 907.04 mi (1,459.75 km) |
| March to Pajara | 1,823.37 mi (2,934.43 km) |
| March to Palafolls | 762.07 mi (1,226.44 km) |
| March to Palafrugell | 748.56 mi (1,204.69 km) |
| March to Palamos | 753.13 mi (1,212.04 km) |
