| River Forest to Oak Grove (South Carolina) | 656.34 mi (1,056.28 km) |
| River Forest to Oak Harbor (Washington) | 1,738.36 mi (2,797.61 km) |
| River Forest to Oak Hills (Oregon) | 1,752.75 mi (2,820.78 km) |
| River Forest to Oak Lawn (Illinois) | 12.97 mi (20.88 km) |
| River Forest to Oak Park (California) | 1,755.30 mi (2,824.89 km) |
| River Forest to Oak Park (Illinois) | 1.61 mi (2.59 km) |
| River Forest to Oak Park (Michigan) | 240.63 mi (387.26 km) |
| River Forest to Oak Ridge (Florida) | 994.60 mi (1,600.66 km) |
| River Forest to Oak Ridge (New Jersey) | 691.66 mi (1,113.11 km) |
| River Forest to Oak Ridge (Tennessee) | 451.38 mi (726.43 km) |
| River Forest to Oakdale (California) | 1,764.43 mi (2,839.57 km) |
| River Forest to Oakdale (Minnesota) | 334.95 mi (539.05 km) |
| River Forest to Oakland (California) | 1,834.16 mi (2,951.79 km) |
| River Forest to Oakland (New Jersey) | 704.85 mi (1,134.34 km) |
| River Forest to Oakland Park (Florida) | 1,170.04 mi (1,882.99 km) |
