| Martha Lake to Racale | 5,900.22 mi (9,495.48 km) |
| Martha Lake to Racconigi | 5,355.08 mi (8,618.17 km) |
| Martha Lake to Raffadali | 5,947.53 mi (9,571.63 km) |
| Martha Lake to Ragusa | 6,007.46 mi (9,668.08 km) |
| Martha Lake to Ramacca | 5,978.55 mi (9,621.55 km) |
| Martha Lake to Randazzo | 5,954.11 mi (9,582.22 km) |
| Martha Lake to Rapallo | 5,419.37 mi (8,721.63 km) |
| Martha Lake to Ravanusa | 5,967.08 mi (9,603.09 km) |
| Martha Lake to Ravenna | 5,488.77 mi (8,833.32 km) |
| Martha Lake to Recanati | 5,582.60 mi (8,984.32 km) |
| Martha Lake to Recco | 5,416.26 mi (8,716.64 km) |
| Martha Lake to Reggello | 5,516.65 mi (8,878.19 km) |
| Martha Lake to Reggio di Calabria | 5,957.19 mi (9,587.18 km) |
| Martha Lake to Reggio Emilia | 5,433.53 mi (8,744.43 km) |
| Martha Lake to Reggiolo | 5,425.08 mi (8,730.82 km) |
