| Martha Lake to Rosolini | 6,019.67 mi (9,687.72 km) |
| Martha Lake to Rossano | 5,891.09 mi (9,480.79 km) |
| Martha Lake to Rottofreno | 5,385.31 mi (8,666.82 km) |
| Martha Lake to Rovato | 5,366.21 mi (8,636.08 km) |
| Martha Lake to Roverbella | 5,402.93 mi (8,695.17 km) |
| Martha Lake to Rovereto | 5,372.91 mi (8,646.86 km) |
| Martha Lake to Rovigo | 5,438.93 mi (8,753.11 km) |
| Martha Lake to Rozzano | 5,356.05 mi (8,619.73 km) |
| Martha Lake to Rubano | 5,417.48 mi (8,718.59 km) |
| Martha Lake to Rubiera | 5,440.22 mi (8,755.18 km) |
| Martha Lake to Ruffano | 5,902.59 mi (9,499.30 km) |
| Martha Lake to Russi | 5,487.11 mi (8,830.65 km) |
| Martha Lake to Rutigliano | 5,812.62 mi (9,354.51 km) |
| Martha Lake to Ruvo di Puglia | 5,791.63 mi (9,320.73 km) |
| Martha Lake to Sabaudia | 5,697.52 mi (9,169.28 km) |
