| Solothurn to Marasesti | 937.98 mi (1,509.53 km) |
| Solothurn to Marghita | 692.71 mi (1,114.81 km) |
| Solothurn to Marginea | 852.96 mi (1,372.70 km) |
| Solothurn to Matca | 952.67 mi (1,533.17 km) |
| Solothurn to Medgidia | 1,017.24 mi (1,637.09 km) |
| Solothurn to Media | 798.95 mi (1,285.78 km) |
| Solothurn to Miercurea-Ciuc | 864.29 mi (1,390.94 km) |
| Solothurn to Mioveni | 846.79 mi (1,362.78 km) |
| Solothurn to Mizil | 916.21 mi (1,474.50 km) |
| Solothurn to Moinesti | 895.30 mi (1,440.84 km) |
| Solothurn to Moisei | 793.71 mi (1,277.35 km) |
| Solothurn to Moldova Noua | 699.15 mi (1,125.18 km) |
| Solothurn to Moreni | 879.28 mi (1,415.07 km) |
| Solothurn to Motru | 757.98 mi (1,219.84 km) |
| Solothurn to Murfatlar | 1,025.84 mi (1,650.94 km) |
