| Castelldefels to Melun | 502.77 mi (809.12 km) |
| Castelldefels to Mende | 236.65 mi (380.86 km) |
| Castelldefels to Mennecy | 503.86 mi (810.89 km) |
| Castelldefels to Menton | 329.76 mi (530.69 km) |
| Castelldefels to Mericourt | 631.72 mi (1,016.66 km) |
| Castelldefels to Merignac | 279.16 mi (449.27 km) |
| Castelldefels to Meru | 549.75 mi (884.73 km) |
| Castelldefels to Merville | 647.76 mi (1,042.47 km) |
| Castelldefels to Mery-sur-Oise | 537.89 mi (865.65 km) |
| Castelldefels to Metz | 578.80 mi (931.49 km) |
| Castelldefels to Meudon | 520.59 mi (837.80 km) |
| Castelldefels to Meylan | 332.04 mi (534.37 km) |
| Castelldefels to Meyzieu | 345.04 mi (555.28 km) |
| Castelldefels to Meze | 170.03 mi (273.64 km) |
| Castelldefels to Millau | 202.62 mi (326.08 km) |
