| New Philadelphia to Olivares | 3,922.98 mi (6,313.42 km) |
| New Philadelphia to Olivenza | 3,836.24 mi (6,173.84 km) |
| New Philadelphia to Olot | 4,165.78 mi (6,704.18 km) |
| New Philadelphia to Onate | 3,918.04 mi (6,305.48 km) |
| New Philadelphia to Onda | 4,116.12 mi (6,624.26 km) |
| New Philadelphia to Onteniente | 4,139.07 mi (6,661.18 km) |
| New Philadelphia to Orihuela | 4,148.51 mi (6,676.38 km) |
| New Philadelphia to Osuna | 3,979.67 mi (6,404.67 km) |
| New Philadelphia to Ourense | 3,689.60 mi (5,937.84 km) |
| New Philadelphia to Oviedo | 3,752.77 mi (6,039.50 km) |
| New Philadelphia to Paiporta | 4,127.15 mi (6,642.00 km) |
| New Philadelphia to Pajara | 3,835.77 mi (6,173.08 km) |
| New Philadelphia to Palafolls | 4,195.00 mi (6,751.20 km) |
| New Philadelphia to Palafrugell | 4,204.89 mi (6,767.12 km) |
| New Philadelphia to Palamos | 4,205.83 mi (6,768.63 km) |
