| Merced to Olivares | 5,790.03 mi (9,318.14 km) |
| Merced to Olivenza | 5,692.45 mi (9,161.12 km) |
| Merced to Olot | 5,876.58 mi (9,457.44 km) |
| Merced to Onate | 5,661.99 mi (9,112.09 km) |
| Merced to Onda | 5,891.54 mi (9,481.53 km) |
| Merced to Onteniente | 5,935.87 mi (9,552.86 km) |
| Merced to Orihuela | 5,959.85 mi (9,591.46 km) |
| Merced to Osuna | 5,840.60 mi (9,399.54 km) |
| Merced to Ourense | 5,493.53 mi (8,840.99 km) |
| Merced to Oviedo | 5,521.73 mi (8,886.37 km) |
| Merced to Paiporta | 5,912.62 mi (9,515.44 km) |
| Merced to Pajara | 5,859.99 mi (9,430.75 km) |
| Merced to Palafolls | 5,911.93 mi (9,514.33 km) |
| Merced to Palafrugell | 5,913.28 mi (9,516.50 km) |
| Merced to Palamos | 5,915.81 mi (9,520.57 km) |
