| Merrifield to Olivares | 3,760.73 mi (6,052.31 km) |
| Merrifield to Olivenza | 3,677.28 mi (5,918.01 km) |
| Merrifield to Olot | 4,033.75 mi (6,491.70 km) |
| Merrifield to Onate | 3,782.37 mi (6,087.14 km) |
| Merrifield to Onda | 3,971.71 mi (6,391.84 km) |
| Merrifield to Onteniente | 3,989.98 mi (6,421.26 km) |
| Merrifield to Orihuela | 3,996.29 mi (6,431.40 km) |
| Merrifield to Osuna | 3,818.29 mi (6,144.94 km) |
| Merrifield to Ourense | 3,543.92 mi (5,703.39 km) |
| Merrifield to Oviedo | 3,613.91 mi (5,816.02 km) |
| Merrifield to Paiporta | 3,980.54 mi (6,406.06 km) |
| Merrifield to Pajara | 3,633.41 mi (5,847.41 km) |
| Merrifield to Palafolls | 4,061.42 mi (6,536.22 km) |
| Merrifield to Palafrugell | 4,072.86 mi (6,554.63 km) |
| Merrifield to Palamos | 4,073.48 mi (6,555.63 km) |
