| North Liberty to Olivares | 4,364.20 mi (7,023.50 km) |
| North Liberty to Olivenza | 4,273.00 mi (6,876.73 km) |
| North Liberty to Olot | 4,556.65 mi (7,333.21 km) |
| North Liberty to Onate | 4,317.10 mi (6,947.70 km) |
| North Liberty to Onda | 4,527.81 mi (7,286.80 km) |
| North Liberty to Onteniente | 4,558.11 mi (7,335.57 km) |
| North Liberty to Orihuela | 4,572.52 mi (7,358.76 km) |
| North Liberty to Osuna | 4,419.20 mi (7,112.01 km) |
| North Liberty to Ourense | 4,106.77 mi (6,609.21 km) |
| North Liberty to Oviedo | 4,158.50 mi (6,692.46 km) |
| North Liberty to Paiporta | 4,542.29 mi (7,310.11 km) |
| North Liberty to Pajara | 4,334.34 mi (6,975.45 km) |
| North Liberty to Palafolls | 4,588.20 mi (7,384.00 km) |
| North Liberty to Palafrugell | 4,595.42 mi (7,395.61 km) |
| North Liberty to Palamos | 4,596.89 mi (7,397.97 km) |
