| Amherst to Olivares | 3,935.91 mi (6,334.23 km) |
| Amherst to Olivenza | 3,847.99 mi (6,192.74 km) |
| Amherst to Olot | 4,167.33 mi (6,706.66 km) |
| Amherst to Onate | 3,921.12 mi (6,310.43 km) |
| Amherst to Onda | 4,122.17 mi (6,633.99 km) |
| Amherst to Onteniente | 4,146.81 mi (6,673.65 km) |
| Amherst to Orihuela | 4,157.42 mi (6,690.72 km) |
| Amherst to Osuna | 3,992.22 mi (6,424.86 km) |
| Amherst to Ourense | 3,696.53 mi (5,948.99 km) |
| Amherst to Oviedo | 3,757.16 mi (6,046.56 km) |
| Amherst to Paiporta | 4,133.99 mi (6,653.01 km) |
| Amherst to Pajara | 3,865.68 mi (6,221.21 km) |
| Amherst to Palafolls | 4,197.07 mi (6,754.53 km) |
| Amherst to Palafrugell | 4,206.40 mi (6,769.54 km) |
| Amherst to Palamos | 4,207.45 mi (6,771.24 km) |
