| Rhondda to Los Llanos de Aridane | 1,754.17 mi (2,823.06 km) |
| Rhondda to Los Palacios y Villafranca | 1,006.12 mi (1,619.19 km) |
| Rhondda to Luanco | 564.00 mi (907.67 km) |
| Rhondda to Lucena | 983.60 mi (1,582.95 km) |
| Rhondda to Lugo | 624.62 mi (1,005.23 km) |
| Rhondda to Lumbreras | 974.10 mi (1,567.67 km) |
| Rhondda to Madrid | 773.90 mi (1,245.46 km) |
| Rhondda to Madridejos | 839.45 mi (1,350.96 km) |
| Rhondda to Mahon | 889.67 mi (1,431.78 km) |
| Rhondda to Mairena del Alcor | 990.99 mi (1,594.84 km) |
| Rhondda to Mairena del Aljarafe | 995.26 mi (1,601.72 km) |
| Rhondda to Majadahonda | 770.22 mi (1,239.55 km) |
| Rhondda to Malaga | 1,030.42 mi (1,658.30 km) |
| Rhondda to Malgrat de Mar | 747.66 mi (1,203.25 km) |
| Rhondda to Manacor | 890.91 mi (1,433.78 km) |
