| Glencullen to Marsciano | 1,107.99 mi (1,783.14 km) |
| Glencullen to Martano | 1,456.77 mi (2,344.45 km) |
| Glencullen to Martellago | 977.59 mi (1,573.28 km) |
| Glencullen to Martina Franca | 1,396.67 mi (2,247.72 km) |
| Glencullen to Martinengo | 888.99 mi (1,430.69 km) |
| Glencullen to Martinsicuro | 1,165.74 mi (1,876.07 km) |
| Glencullen to Mascali | 1,478.44 mi (2,379.31 km) |
| Glencullen to Mascalucia | 1,483.71 mi (2,387.80 km) |
| Glencullen to Masera di Padova | 976.99 mi (1,572.32 km) |
| Glencullen to Maserada sul Piave | 974.71 mi (1,568.64 km) |
| Glencullen to Massa | 976.04 mi (1,570.78 km) |
| Glencullen to Massa Lombarda | 1,015.06 mi (1,633.58 km) |
| Glencullen to Massafra | 1,394.68 mi (2,244.51 km) |
| Glencullen to Massalubrense | 1,295.51 mi (2,084.93 km) |
| Glencullen to Massarosa | 991.23 mi (1,595.23 km) |
