| Didcot to Mozzate | 618.58 mi (995.51 km) |
| Didcot to Muggia | 799.23 mi (1,286.24 km) |
| Didcot to Muggio | 632.34 mi (1,017.65 km) |
| Didcot to Mugnano di Napoli | 1,040.45 mi (1,674.44 km) |
| Didcot to Musile di Piave | 752.39 mi (1,210.86 km) |
| Didcot to Mussomeli | 1,212.95 mi (1,952.06 km) |
| Didcot to Naples | 1,045.84 mi (1,683.12 km) |
| Didcot to Nardo | 1,210.89 mi (1,948.73 km) |
| Didcot to Narni | 899.27 mi (1,447.24 km) |
| Didcot to Nembro | 643.76 mi (1,036.04 km) |
| Didcot to Nepi | 907.99 mi (1,461.27 km) |
| Didcot to Nerviano | 626.27 mi (1,007.88 km) |
| Didcot to Nettuno | 960.02 mi (1,545.00 km) |
| Didcot to Nichelino | 611.89 mi (984.74 km) |
| Didcot to Nicosia | 1,222.24 mi (1,967.00 km) |
