| Didcot to Massarosa | 756.72 mi (1,217.83 km) |
| Didcot to Matelica | 878.42 mi (1,413.69 km) |
| Didcot to Matera | 1,135.09 mi (1,826.74 km) |
| Didcot to Matino | 1,221.90 mi (1,966.46 km) |
| Didcot to Mazzarino | 1,242.39 mi (1,999.43 km) |
| Didcot to Meda | 626.81 mi (1,008.75 km) |
| Didcot to Medesano | 704.95 mi (1,134.51 km) |
| Didcot to Medicina | 769.99 mi (1,239.18 km) |
| Didcot to Meldola | 801.64 mi (1,290.11 km) |
| Didcot to Melegnano | 647.25 mi (1,041.65 km) |
| Didcot to Melendugno | 1,217.33 mi (1,959.10 km) |
| Didcot to Melfi | 1,084.72 mi (1,745.68 km) |
| Didcot to Melilli | 1,276.58 mi (2,054.45 km) |
| Didcot to Melito di Napoli | 1,040.84 mi (1,675.07 km) |
| Didcot to Melito di Porto Salvo | 1,255.58 mi (2,020.66 km) |
