| Nea Ionia to Olivenza | 1,664.12 mi (2,678.14 km) |
| Nea Ionia to Olot | 1,156.17 mi (1,860.68 km) |
| Nea Ionia to Onate | 1,410.55 mi (2,270.06 km) |
| Nea Ionia to Onda | 1,292.42 mi (2,079.94 km) |
| Nea Ionia to Onteniente | 1,315.61 mi (2,117.27 km) |
| Nea Ionia to Orihuela | 1,339.57 mi (2,155.83 km) |
| Nea Ionia to Osuna | 1,573.22 mi (2,531.86 km) |
| Nea Ionia to Ourense | 1,684.95 mi (2,711.66 km) |
| Nea Ionia to Oviedo | 1,584.42 mi (2,549.88 km) |
| Nea Ionia to Paiporta | 1,302.31 mi (2,095.87 km) |
| Nea Ionia to Pajara | 2,270.98 mi (3,654.79 km) |
| Nea Ionia to Palafolls | 1,138.78 mi (1,832.69 km) |
| Nea Ionia to Palafrugell | 1,119.58 mi (1,801.79 km) |
| Nea Ionia to Palamos | 1,120.73 mi (1,803.65 km) |
| Nea Ionia to Palencia | 1,514.36 mi (2,437.12 km) |
