| Ithaca to Ridgeland (Mississippi) | 1,017.27 mi (1,637.15 km) |
| Ithaca to Ridgewood (New Jersey) | 159.38 mi (256.50 km) |
| Ithaca to Rifle (Colorado) | 1,633.80 mi (2,629.34 km) |
| Ithaca to Rincon (Georgia) | 747.52 mi (1,203.02 km) |
| Ithaca to Ringwood (New Jersey) | 147.39 mi (237.20 km) |
| Ithaca to Río Grande (Puerto Rico) | 1,776.53 mi (2,859.05 km) |
| Ithaca to Rio Grande City (Texas) | 1,678.68 mi (2,701.58 km) |
| Ithaca to Rio Linda (California) | 2,345.33 mi (3,774.45 km) |
| Ithaca to Rio Rancho (New Mexico) | 1,687.82 mi (2,716.28 km) |
| Ithaca to Rio Rico (Arizona) | 2,031.24 mi (3,268.97 km) |
| Ithaca to Ripon (California) | 2,353.75 mi (3,788.00 km) |
| Ithaca to River Edge (New Jersey) | 164.80 mi (265.21 km) |
| Ithaca to River Falls (Wisconsin) | 821.59 mi (1,322.23 km) |
| Ithaca to River Forest (Illinois) | 580.30 mi (933.91 km) |
| Ithaca to River Grove (Illinois) | 580.98 mi (935.00 km) |
